Convert joule to calorie

1 J = 0.2390057361 cal

1 J = 0.239 cal
1 J in every energy unit
joule1 J
kilojoule0.001 kJ
megajoule0.000001 MJ
calorie0.239 cal
kilocalorie0.000239 kcal
watt-hour0.000278 Wh
kilowatt-hour2.78e-07 kWh
British thermal unit0.000948 BTU
foot-pound0.738 ft⋅lb
electron volt6.24e+18 eV
kiloelectron volt6.24e+15 keV
megaelectron volt6,240,000,000,000 MeV
How the conversion works

Multiply by 0.2390057361 to go from joule to calorie, or divide by it to go back. Every conversion on this site routes through the SI value (J) rather than a table of pairwise factors, so a round-trip returns exactly what you started with.

Going the other way? calorie to joule — 1 cal = 4.184 J.

joule to calorie — common values
1 J0.23900574 cal
2 J0.47801147 cal
3 J0.71701721 cal
5 J1.1950287 cal
10 J2.3900574 cal
15 J3.585086 cal
20 J4.7801147 cal
25 J5.9751434 cal
50 J11.950287 cal
75 J17.92543 cal
100 J23.900574 cal
250 J59.751434 cal
500 J119.50287 cal
1000 J239.00574 cal